33 lines
999 B
Haskell
33 lines
999 B
Haskell
module Propellor.Property.Sudo where
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import Data.List
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import Propellor
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import Propellor.Property.File
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import qualified Propellor.Property.Apt as Apt
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import Propellor.Property.User
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-- | Allows a user to sudo. If the user has a password, sudo is configured
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-- to require it. If not, NOPASSWORD is enabled for the user.
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enabledFor :: UserName -> Property
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enabledFor user = Property desc go `requires` Apt.installed ["sudo"]
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where
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go = do
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locked <- isLockedPassword user
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ensureProperty $
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fileProperty desc
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(modify locked . filter (wanted locked))
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"/etc/sudoers"
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desc = user ++ " is sudoer"
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sudobaseline = user ++ " ALL=(ALL:ALL)"
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sudoline True = sudobaseline ++ " NOPASSWD:ALL"
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sudoline False = sudobaseline ++ " ALL"
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wanted locked l
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-- TOOD: Full sudoers file format parse..
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| not (sudobaseline `isPrefixOf` l) = True
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| "NOPASSWD" `isInfixOf` l = locked
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| otherwise = True
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modify locked ls
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| sudoline locked `elem` ls = ls
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| otherwise = ls ++ [sudoline locked]
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